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一般中、小型水库在进行降雨径流分析时,均用时段库容差来推算入库水量和流量,因而准确的库容对于水库的安全合理运行有重要的作用。通常,采用按地形等高线求出的水面面积和库容值。而等高线的间距一般为1米或0.5米,但水库的水位要记至厘米,所以需将设计的库容值进行插补。现介绍一种插补库容的方法如下。
Generally, in the small and medium-sized reservoirs, when the rainfall runoff analysis is conducted, the storage capacity and flow rate of the reservoir are calculated with the storage capacity difference of the period, so that the accurate storage capacity plays an important role in the safe and rational operation of the reservoir. Normally, the surface area and the reservoir capacity are calculated by the contour lines. The contour spacing is generally 1 meter or 0.5 meters, but the reservoir water level should be recorded to centimeters, so the need to design the storage capacity value interpolation. Now introduce a way to interpolate the storage capacity is as follows.